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Learn about the concept of a commit, which is an atomic operation that snapshots and preserves the state of files/directories within a repository.

About #

In Pachyderm, commits snapshot and preserve the state of files and directories in a repository at a point in time. Unlike Git, Pachyderm commits are centralized and transactional. You can create a commit with pachctl start commit and save it with pachctl finish commit. Once the commit is closed its contents are immutable. Commits may be chained together to represent a sequence of states.

All commits have an alphanumeric ID, and you can reference a commit with <repo>@<commitID>. Each commit has an origin that indicates why it was produced (USER or AUTO).

Global Commits #

A commit with global scope (global commit) represents the set of all provenance-dependent commits sharing the same ID.

Sub-Commits #

A commit with a more focused scope (sub-commit) represents the “Git-like” record of one commit in a single branch of a repositoryโ€™s file system.

Actions #